Spectre 4
USA J 145Sail number USA/USA61630
GPH
518.6
OSN
505
LOA
14.627 m
Displacement
9688 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7871
Medium
1.0581
High
1.2032
Triple Offshore
Low
1.0213
Medium
1.3023
High
1.4527
Boat Specifications
Dimensions
- Length overall
- 14.627 m
- Beam
- 3.98 m
- Draft
- 2.75 m
- Displacement
- 9688 kg
- Crew weight
- 1020 kg
- Wetted surface
- 42.2 m²
Sails
- Mainsail
- 67.15 m²
- Genoa
- 75.51 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 215.35 m²
Design
- Type
- J 145
- Builder
- TPI
- Designer
- Johnstone
- Year built
- 2000
- Stability index
- 130.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.5 | 6.9 | 7.22 | 7.14 | 6.8 | 6.63 | 5.87 | 4.94 |
| 8 | 7.75 | 8.05 | 8.24 | 8.22 | 8.19 | 8.1 | 7.53 | 6.25 |
| 10 | 8.23 | 8.46 | 8.67 | 8.71 | 8.8 | 8.79 | 8.49 | 7.55 |
| 12 | 8.43 | 8.65 | 8.94 | 9.08 | 9.13 | 9.34 | 9.07 | 8.44 |
| 14 | 8.54 | 8.77 | 9.14 | 9.44 | 9.46 | 9.8 | 9.75 | 8.93 |
| 16 | 8.61 | 8.85 | 9.29 | 9.75 | 9.78 | 10.22 | 10.52 | 9.44 |
| 20 | 8.76 | 8.99 | 9.47 | 10.14 | 10.53 | 11.03 | 12.21 | 10.92 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 4.25 | 142.4° | 4.28 |
| 8 | 41.8° | 5.17 | 145.1° | 5.42 |
| 10 | 40° | 5.7 | 145.6° | 6.54 |
| 12 | 38.4° | 5.98 | 151.8° | 7.34 |
| 14 | 37.2° | 6.15 | 151.4° | 7.75 |
| 16 | 37° | 6.22 | 147.7° | 8.18 |
| 20 | 36° | 6.43 | 143.9° | 9.46 |
Loading polar chart…